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Assistant:
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How many working days in year 1972?
Here is the detail of the calculation:
Because 1972 is a leap year, it has 366 days.
Let's remove 53 saturdays and 53 sundays. It remains 260 days.
Now, let's remove 13 public holidays that do not fall during a weekend and we obtain 247 working days in 1972.
Here is the list of these 13 public holidays:
1. Terça-feira de Carnaval : tuesday, 15 february, 1972
2. Alusivo ao Dia Internacional da Mulher : wednesday, 8 march, 1972
3. Sexta Feira Santa ou Paixão de Cristo : friday, 31 march, 1972
4. Tiradentes : friday, 21 april, 1972
5. Dia do Trabalho : monday, 1 may, 1972
6. Corpus Christi : thursday, 1 june, 1972
7. Dia da Amazônia : tuesday, 5 september, 1972
8. Independência do Brasil : thursday, 7 september, 1972
9. Nossa Senhora Aparecida : thursday, 12 october, 1972
10. Finados : thursday, 2 november, 1972
11. Proclamação da República Brasileira : wednesday, 15 november, 1972
12. Assinatura do Tratado de Petrópolis : friday, 17 november, 1972
13. Natal : monday, 25 december, 1972
And here are the 3 public holidays falling on a weekend:
1. Confraternização Universal : saturday, 1 january, 1972
2. Dia do evangélico : sunday, 23 january, 1972
3. Dia do evangélico : sunday, 18 june, 1972